LED Digital Heating Magnetic Stirrer (MS7‑H550‑S)

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The DLAB LED Digital Heating Magnetic Stirrer (MS7‑H550‑S) is a high‑temperature, entry‑level professional benchtop instrument engineered for accurate, safe, and efficient heating and stirring in clinical diagnostics, pharmaceutical quality control, analytical chemistry, and materials science. Featuring a 7‑inch (184 × 184 mm) glass ceramic work plate, this hotplate stirrer delivers a heating range from room temperature up to 550 °C adjustable in 5 °C increments and a stepless speed range from 0 to 1500 rpm for flexible, simple operation in demanding applications such as ashing for trace element analysis, high‑temperature chemical synthesis, and buffer preparation.

Every LED Digital Heating Magnetic Stirrer (MS7‑H550‑S) is factory tested and supplied with a calibration certificate. The powerful 1000 W heating element and durable glass ceramic work plate provide rapid, uniform heat distribution across the entire 7‑inch surface. A bright LED digital display simultaneously shows the set and actual temperature for clear real‑time monitoring.

Key user‑focused safety features include an independent 580 °C over‑temperature protection sensor (hardware cutoff) that automatically shuts off heating to prevent fire hazards, a residual heat warning indicator that flashes on the LED display when the plate >50 °C and continues even after the unit is turned off to protect users from burn hazards, and IP21 protection for basic dust and splash resistance. The optional PT1000 external temperature sensor (±0.2 °C accuracy) enables precise control of the actual sample liquid temperature for sensitive applications. The aluminum alloy housing with a powder‑coated finish provides excellent heat dissipation and chemical resistance.

Simple, intuitive operation is achieved through two independent control knobs for stepless speed and temperature adjustment, minimizing training time in high‑volume clinical and teaching laboratories. Two independent temperature probes continuously monitor the system, and a microprocessor controller provides additional safety control with a heating cutoff through two independent probes.

The instrument is TÜV‑certified (CE, cTUVus, FCC) and manufactured under ISO 9001 and ISO 13485 quality management systems.

For the clinical laboratory scientist, toxicology analyst, pharmaceutical QC analyst, and graduate‑level teaching instructor, the LED Digital Heating Magnetic Stirrer (MS7‑H550‑S) delivers the high‑temperature performance, safety, and straightforward operation required for ashing and dry digestion for trace element analysis (blood lead, urine cadmium, heavy metals), high‑temperature denaturation, and large‑volume sample processing. This instrument serves as an ideal entry‑point into professional high‑temperature hotplate stirring for clinical diagnostic labs and research institutions transitioning to digitally controlled equipment. For the patient, reliable, reproducible high‑temperature processing ensures that diagnostic tests for heavy metal toxicity, nutritional deficiencies, and pharmaceutical products remain accurate and consistent, directly supporting effective clinical decision‑making and patient safety.

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Description

LED Digital Heating Magnetic Stirrer (MS7-H550-S)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. High‑Throughput Ashing and Sample Digestion for Clinical Toxicology and Trace Element Analysis
Primary Use: Provides a high‑temperature, LED digital hotplate stirrer with a 7‑inch (184 × 184 mm) glass ceramic work plate and a high‑torque shaded‑pole motor, used for demanding clinical and analytical chemistry applications including the complete ashing and dry digestion of whole blood, serum, urine, and tissue specimens prior to critical trace element analysis by atomic absorption spectroscopy (AAS) or inductively coupled plasma mass spectrometry (ICP‑MS). It features a maximum stirring capacity of 10 liters (water), a stepless speed range of 0 to 1500 rpm, and a heating temperature range from room temperature up to 550 °C in 5 °C increments.

How it helps: For the trace element analyst, reaching 550 °C ensures the complete oxidation of organic sample matrices, which is essential for extracting and quantifying heavy metals without interference. The glass ceramic work plate provides excellent heat resistance and uniform distribution, while the independent over‑temperature protection circuit (cutoff at 580 °C) provides critical safeguards during open‑vessel digestions. The optional PT1000 external temperature sensor (±0.2 °C accuracy) can be connected to precisely control the actual sample temperature, and a residual heat warning function activates above 50 °C, continuing even after the unit is powered off. For the patient, meticulous ashing and digestion ensures that diagnostic tests for heavy metal poisoning (lead, mercury, cadmium) or essential element deficiencies (zinc, copper, selenium) are exceptionally accurate, directly guiding critical therapeutic decisions.

2. High‑Temperature Chemical Synthesis and Reflux for Pharmaceutical Research
Primary Use: Serves as a reliable benchtop instrument for synthetic chemistry, delivering stable heating up to 550 °C for a wide array of reactions in round‑bottom flasks or beakers. It is essential for demanding processes such as high‑temperature chemical synthesis, reflux, and the distillation of high‑boiling‑point solvents in pharmaceutical research, materials science, and fine chemical industries, with a powerful 1000 W heating output for rapid heat‑up.

How it helps: For the research chemist, a heated magnetic stirrer that reliably reaches 550 °C is indispensable for exploring new synthetic pathways and working with high‑boiling‑point solvents. The shaded‑pole motor provides the torque required to stir viscous reaction mixtures at speeds from 0 to 1500 rpm. The independent safety temperature controller (heating cutoff at 580 °C) acts as a redundant safeguard, stopping heating immediately if the set limit is exceeded. An LED display clearly shows both the set temperature and the actual plate temperature for accurate monitoring. For the patient, this translates to more efficient and reproducible research and development of new, life‑saving therapeutics.

3. Preparation of Clinical Microbiology Media and Quality Control Reagents
Primary Use: Used for the safe and uniform heating, melting, and sterilization of solid or semi‑solid culture media, agars, and nutrient broths in clinical microbiology laboratories, as well as the preparation of quality control buffers and standard solutions for clinical chemistry, ensuring consistency and sterility across batches.

How it helps: For the clinical microbiology technologist, the LED Digital Heating Magnetic Stirrer (MS7‑H550‑S) powerful 1000 W heater and uniform glass ceramic work plate bring large volumes of media to a boil quickly and evenly, preventing localized scorching that can degrade nutrients. The independent safety temperature control ensures that even if the primary controller fails, the instrument will not overheat (cutoff at 580 °C). The two independent temperature probes continuously monitor the system, providing additional safety control circuitry. The residual heat warning protects technologists handling the unit immediately after use by flashing an alert on the LED display and illuminating a warning indicator until the plate is safe to touch. For the patient, the reliable and standard preparation of culture media ensures the accurate identification of pathogens from clinical specimens, facilitating effective treatment.

4. Simple Operation and Safety for High‑Volume Clinical and Teaching Laboratories
Primary Use: Designed for high‑volume, routine use in busy clinical laboratories and teaching institutions, the LED Digital Heating Magnetic Stirrer (MS7‑H550‑S) features simple two‑knob controls for independent adjustment of speed and temperature, a bright LED display for real‑time temperature monitoring, and a durable, chemical‑resistant housing that withstands daily use and corrosive spills.

How it helps: For laboratory supervisors and quality assurance managers, the straightforward analog controls and LED display minimize training time and reduce the risk of operator error. The independent heating and stirring functions allow the instrument to be used for heating‑only, stirring‑only, or combined heating and stirring tasks. The heating function is separately controlled, and when heating is on, an indicator light stays bright to prevent accidental operation. The entire unit is IP21‑rated (protection against solid objects >12.5 mm and vertically falling water drops), and the aluminum alloy housing with a powder‑coated finish is both corrosion‑resistant and easy to clean. For the patient, the consistent, error‑free operation of laboratory equipment ensures diagnostic tests are reproducible, leading to reliable disease monitoring and treatment decisions.

SECONDARY & SUPPORTIVE USES

1. High‑efficiency solvent evaporation and concentration: Gently heats organic solvents in round‑bottom flasks to remove volatile components and concentrate non‑volatile analytes for environmental monitoring, food safety testing, and pharmaceutical development. The optional PT1000 external temperature sensor provides ±0.2 °C accuracy for precise control of evaporation rates, preventing sample loss or thermal degradation.

2. Dissolution testing and accelerated stability studies for drug development: Provides precise, high‑temperature heating to simulate dissolution test conditions for solid oral dosage forms (tablets, capsules) placed in beakers containing heated buffer solutions, and for verifying the long‑term stability of active pharmaceutical ingredients and excipients under accelerated thermal stress conditions (e.g., 40 °C, 50 °C, or 60 °C) to predict product shelf life.

3. Glassware drying and sterilization: Capable of reaching 550 °C, this hotplate can serve as a convenient benchtop tool for drying and sterilizing small glassware such as beakers, watch glasses, and slides, eliminating the need to run a full autoclave cycle for small, heat‑resistant items.

4. Protein denaturation and total hydrolysis for amino acid analysis: Achieves the high heat (>100 °C) required to completely denature proteins and hydrolyze them into their constituent amino acids in strong acid solutions, supporting total amino acid profiling for nutritional science, clinical biochemistry research, and food quality control.

5. General and graduate‑level teaching laboratory heating: An ideal entry‑level digital heating stirrer for advanced university chemistry and clinical laboratory science courses to demonstrate the principles of high‑temperature chemical synthesis, ashing, distillation, and reaction kinetics, with simple analog controls, an easy‑to‑read LED display, and robust safety features (over‑temperature protection, residual heat warning, IP21 housing).

6. Quality control of heat‑stable polymers and materials science: Heats material samples in beakers or directly on the plate to assess thermal stability (e.g., weight loss on heating), melting points, and heat‑induced property changes for new material characterization and raw material incoming inspection.

7. Geochemical and environmental sample preparation: Prepares solid environmental samples such as soil, sediments, and rocks by ashing or acid‑digesting them in preparation for analysis of mineral content and elemental pollutants, with a large, durable glass ceramic plate capable of handling heavy crucibles.

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A high‑temperature, LED digital heating magnetic stirrer with a 7‑inch glass ceramic work plate and analog control knobs.
Designation: MS7‑H550‑S LED Digital Heating Magnetic Stirrer, 7‑inch Square Hotplate Magnetic Stirrer, DLAB MS7‑H550‑S, Scilogex MS7‑H550‑S.
Key Components:
- 7‑inch (184 × 184 mm) glass ceramic work plate for high‑temperature resistance and easy cleaning
- High‑torque shaded‑pole motor (15 W input, 1.5 W output)
- Bright LED display for monitoring set temperature and actual plate temperature
- Two independent control knobs for stepless speed and temperature adjustment
- PT1000 external temperature sensor port for precise sample temperature control (sensor optional, ±0.2 °C accuracy)
- Two independent temperature probes (microprocessor controller) providing additional safety control circuitry
- Independent residual heat warning: “HOT” indicator flashes when plate >50 °C, continuing even when powered off
- Over‑temperature protection: 580 °C hardware cutoff
- IP21‑rated housing (protection against solid objects >12.5 mm and vertically falling water drops)

2. TECHNICAL & PERFORMANCE PROPERTIES

Work plate dimensions: 184 × 184 mm (7 inches square)
Work plate material: Glass ceramic (strong acid‑resistant, strong alkali‑resistant, high temperature‑resistant, excellent thermal conductivity)
Maximum stirring capacity (H₂O): 10 liters
Motor type: Shaded‑pole motor (15 W input, 1.5 W output)
Speed range: 0 to 1500 rpm (stepless analog control)
Speed display: Graduated scale (analog indicator)
Temperature display: LED digital display (set temperature and actual plate temperature)
Heating temperature range: Room temperature to 550 °C (adjustable in 5 °C increments)
Temperature control accuracy (plate surface): ±10 °C
Temperature display accuracy: ±1 °C
External temperature sensor (PT1000) accuracy: ±0.2 °C for sample temperature control
Temperature setting increments: 5 °C (step)
Heating output power: 1000 W
Total power consumption: 1030 W
Over‑temperature protection: 580 °C hardware cutoff (dual independent safety circuits)
Residual heat warning: Activates above 50 °C; LED indication continues even when unit is powered off until plate cools
Maximum stir bar length: Up to 80 mm
Protection class: IP21
Power requirements: 100–120 V / 200–240 V, 50/60 Hz (universal input)
Dimensions (W × D × H): 215 × 360 × 112 mm
Weight: 4.5 kg
Operating conditions: 5–40 °C, ≤80 % relative humidity
Certifications: CE, cTUVus, FCC (TÜV‑certified safety)

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: High‑impact, corrosion‑resistant aluminum alloy housing with a powder‑coated finish for maximum durability and chemical resistance. The aluminum alloy housing provides excellent heat dissipation and is resistant to chemical corrosion.
Work plate: 7‑inch glass ceramic (microcrystalline) work plate. Provides excellent chemical resistance (strong acid‑resistant, strong alkali‑resistant), high temperature durability up to 550 °C, and uniform heat distribution. The smooth, non‑porous surface is easy to clean and resists staining from chemical spills.
Display: Bright LED digital display clearly shows both the set temperature and the actual plate temperature simultaneously for real‑time monitoring and accurate temperature verification without toggling modes.
Operation: Simple, intuitive operation with two independent control knobs: one for stepless speed adjustment (0–1500 rpm) and one for stepless temperature adjustment (room temperature to 550 °C). The analog controls minimize training time and reduce the risk of operator error in high‑volume clinical and teaching laboratories.
Heating technology: Embedded resistive heating elements provide rapid, uniform heating across the entire glass ceramic plate, achieving 550 °C with a powerful 1000 W heating output. The PID‑like control (microprocessor controller) ensures stable temperature maintenance during extended operation.
Safety systems: Two independent temperature probes continuously monitor the system. Microprocessor controller provides additional safety control circuitry and heating cutoff through two independent probes. If the set safety temperature (580 °C) is exceeded, heating automatically stops to prevent runaway heating and fire hazards.
Residual heat warning: A safety indicator, independent of the main power switch, will flash on the LED display and illuminate a warning indicator anytime the work plate exceeds 50 °C. This warning continues even when the unit is turned off, providing a critical alert against burns until the plate has cooled to a safe temperature.
Stirring system: A shaded‑pole motor with electronic speed control maintains constant torque and speed even under changing load conditions (e.g., increasing sample viscosity). The motor drives strong ceramic magnets that provide excellent magnetic coupling, preventing the stir bar from decoupling even at high speeds or with viscous liquids.
Heating and stirring independence: The heating function and stirring function can be controlled independently, allowing the instrument to be used as a hotplate only, a stirrer only, or as a combined hotplate stirrer. When heating is on, an indicator light stays bright to prevent accidental operation.
Spill protection: IP21‑rated housing provides protection against solid foreign objects larger than 12.5 mm and vertically falling water drops (e.g., minor spills), safeguarding internal electronics from liquid ingress and protecting against dust. The raised edges of the glass ceramic plate help contain minor spills.
Portability: Compact benchtop design weighing 4.5 kg, easily movable between workstations.
Maintenance: The shaded‑pole motor is durable and requires no routine maintenance. The glass ceramic work plate is easy to clean with a mild detergent and a non‑abrasive cloth.
Warranty: 2‑year warranty.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: General‑purpose laboratory equipment for in vitro diagnostic (IVD) use. Manufactured under ISO 9001 and ISO 13485 quality management systems. TÜV‑certified to international safety standards (CE, cTUVus, FCC).
Over‑Temperature Protection (Hardware Cutoff): Dual independent safety circuits with a 580 °C hardware cutoff. If the work plate exceeds the safety threshold, the system automatically stops heating to prevent runaway heating, fire hazards, and damage to the instrument or samples.
Residual Heat Warning: An independent safety “HOT” indicator activates when the work plate temperature exceeds 50 °C and continues flashing on the LED display even after the unit is powered off. This critical feature alerts users to a dangerously hot surface until it is safe to touch (temperature drops below 50 °C).
Independent Heating Control Indicator: The heating function is separately controlled; when heating is on, an indicator light stays bright to prevent misoperation. In case of an unexpected stop of heating, stirring continues to prevent sample overheating.
IP21 Protection Class (Waterproof Level): The housing is rated IP21 per DIN/EN 60529, providing protection against solid foreign objects (>12.5 mm) and vertically falling water drops. The closed housing prevents liquids from splashing into the internal electronics, protecting against corrosion and ensuring safe operation even in busy laboratory environments.
Chemical Safety: The glass ceramic work plate is resistant to strong acids, strong alkalis, and organic solvents, preventing corrosion and ensuring a long service life even when handling aggressive chemicals such as nitric or hydrochloric acid. The aluminum alloy housing with a powder‑coated (spray‑painted) surface also resists chemical damage.
Electrical Safety: Designed in accordance with IEC/EN 61010‑1 safety standards for laboratory electrical equipment. The universal power input (100–240 V, 50/60 Hz) supports global use; always operate with a properly grounded outlet. The brushless shaded‑pole motor is spark‑free, making it safer for use in environments with flammable solvents.
Fire Safety: Metal housing and glass ceramic work plate are non‑flammable; the heating elements are enclosed.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in a clean, dry, dust‑free environment at room temperature (15–30 °C) when not in use. Allow the unit to cool completely until the residual heat warning indicator turns off (plate <50 °C) before storage.
Cleaning: Unplug the unit and allow the work plate to cool completely (verify the residual heat warning is off) before cleaning. Wipe the glass ceramic work plate and metal housing with a soft, damp cloth or sponge using a mild detergent or 70 % isopropyl alcohol. For stubborn residues, use a non‑abrasive cleaner suitable for glass ceramic. Do not immerse the unit in liquid. Do not use abrasive cleaners, metal scouring pads, or sharp objects that may scratch the glass ceramic surface.
Pre‑use inspection: Before each use, inspect the power cord and plug for damage. Ensure the work plate is clean, dry, and free of chemical residues. Verify that the area is clear of flammable materials and that the instrument has adequate clearance (at least 10 cm on all sides) for heat dissipation. Ensure the stir bar is in good condition without chips or cracks.
Installation: Place the MS7‑H550‑S on a stable, level, non‑flammable, heat‑resistant laboratory benchtop away from flammable materials, volatile solvents, combustible gases, or paper products. The instrument should be placed at least 10 cm from walls and other equipment to ensure proper heat dissipation and ventilation. Do not install or use near water baths, sinks, or other sources of splashing liquids unless the IP21 protection class is sufficient for the expected environment. Do not place near strong magnetic fields (e.g., large magnets, NMR equipment).
Operation with external sensor (PT1000, optional accessory): To use the PT1000 external temperature sensor, insert the sensor probe into the sample vessel and secure it with a stand clamp. Ensure the tip of the PT1000 sensor is at least 5–10 mm from the bottom of the vessel for accurate reading. Do not allow the sensor cable to contact the hot work plate, as this may melt the wire insulation and cause sensor failure or an electrical hazard.
Temperature setting: Set the target temperature using the temperature control knob. Heating is adjustable in 5 °C increments. Begin heating at a low setting (at least 50 °C below the application's target temperature) and gradually increase to the desired temperature, allowing the glass to expand slowly to prevent thermal shock and potential cracking.
Timer: The instrument does not include an integrated timer. For timed applications, use an external laboratory timer or rely on the optional PT1000 external temperature sensor and PC software for automated workflows.
Cooling down: After use, turn off the main power switch and allow the work plate to cool completely. Cooling time may take 30–60 minutes depending on the operating temperature. Do not attempt to move, clean, or store the instrument until the residual heat warning indicator has turned off and the plate has cooled to a safe temperature (below 50 °C).
Periodic verification: Verify the temperature accuracy periodically using a calibrated external thermometer or thermocouple (without the PT1000 sensor). If deviation exceeds the specified ±10 °C plate surface specification, consult the manufacturer's service guidelines for recalibration.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: High‑temperature heating and stirring for clinical diagnostics (ashing and digestion of whole blood, serum, urine, and tissue for trace element analysis), pharmaceutical quality control (dissolution testing, accelerated stability studies), chemical synthesis (reflux, distillation, high‑temperature reactions), and research laboratories where precise, safe heating up to 550 °C is required.

Clinical Role: A versatile, entry‑level benchtop high‑temperature heating magnetic stirrer for hospital and clinical laboratories, toxicology departments, pharmaceutical quality control facilities, environmental testing stations, and research institutions. Essential for ashing and dry digestion for trace element analysis (blood lead, urine cadmium, heavy metals), high‑temperature media and buffer preparation, and thermal stability assessment of materials.

SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Burn Hazard: The glass ceramic work plate can reach 550 °C and remains hot for an extended period after the power is turned off. Do not touch the work plate for at least 30–60 minutes after use, or until the residual heat warning indicator turns off (plate <50 °C). Use appropriate heat‑resistant gloves or tools when handling vessels on the hot plate. Severe burns can occur upon contact.
Fire Hazard: Do not operate the MS7‑H550‑S near flammable materials, volatile solvents, combustible gases, or paper products. Keep the work area clear of flammable substances. The heating temperature must be set at least 50 °C lower than the ignition point of the chemicals being used. Do not leave the instrument unattended while operating at high temperatures without appropriate safety protocols.
Electrical Safety: Do not operate the instrument with wet hands. Disconnect the power cord before cleaning, servicing, or moving the unit. Ensure the main power supply cable does not touch the hot work plate during operation. Use only the supplied grounded power cord and verify that the outlet provides proper grounding. Do not operate the unit with a damaged power cord. Before connecting the instrument, ensure the label indicates the correct voltage for your region.
Chemical Compatibility: The glass ceramic work plate is resistant to strong acids, strong alkalis, and organic solvents. However, always refer to the Safety Data Sheets (SDS) for specific chemicals to confirm compatibility with the plate and to understand any hazards from vapors, fumes, or residues produced when the material is heated.
Spill Hazard: If a liquid spill occurs on the hot work plate during operation, the liquid may evaporate rapidly and produce steam or hazardous vapors. Turn off the power immediately and allow the plate to cool completely before cleaning. Do not allow standing liquids to remain on the hot plate without proper containment, as thermal shock could potentially damage the glass ceramic plate.
Pathogenic Materials: Pathogenic materials must be processed only in closed, appropriate vessels to prevent the release of biohazardous aerosols or infectious contaminants. Use an appropriate biological safety cabinet (BSC) or fume hood when heating potentially infectious biological samples.
Ventilation and Clearance: The unit requires adequate clearance (at least 10 cm from walls and other equipment) for proper heat dissipation and ventilation. Do not cover the instrument. Ensure the instrument is installed on a stable, level, and temperature‑resistant surface free from explosive or hazardous substances.
Glassware Selection: Use only heat‑resistant glassware (borosilicate glass such as Pyrex or Kimax) or other laboratory vessels rated for the operating temperature (up to 550 °C). Do not use standard soda‑lime glass on the hot plate, as it may shatter from thermal shock. Ensure vessels are stable and not likely to tip over.
Operating Limitations: Do not use the instrument to heat sealed vessels or containers without proper pressure relief, as pressure buildup may cause explosive rupture.
Personal Protective Equipment (PPE): When working with the instrument, wear appropriate personal protective equipment, including heat‑resistant gloves, safety glasses or a face shield, and a laboratory coat, to avoid the risk of splashing and evaporation of liquids, as well as the release of toxic or combustible gases.
Training Requirement: Only trained laboratory personnel with appropriate technical background in hot plate stirrer operation and the specific hazards of heating chemicals and biological samples should operate the MS7‑H550‑S for clinical diagnostic or research applications. Users must read and understand the operator's manual before the first use and follow all laboratory safety protocols for safe hot plate stirrer operation.

2. FIRST AID MEASURES

Burn from Hot Surface: If skin contacts the hot work plate or metal housing, immediately cool the burn area with cool (not cold) running water for at least 15 minutes. Do not apply ice directly to the burn. Remove any jewelry or constrictive items from the affected area. Cover the burn with a sterile, non‑adhesive dressing. Seek medical attention for large‑area burns (larger than the palm of the hand), deep burns (white or charred appearance), or burns causing blistering. For burns on the face, hands, feet, or genitals, seek immediate medical attention.
Fire: If a fire occurs on or near the MS7‑H550‑S hotplate stirrer, immediately turn off the power if safe to do so. Use a class ABC dry chemical fire extinguisher or carbon dioxide (CO₂) extinguisher. Do not use water on electrical fires. Evacuate the immediate area if the fire cannot be immediately controlled. Call emergency services.
Chemical Splash to Eyes: If a heated chemical sample or reagent splashes into the eyes, immediately flush the eyes with copious amounts of cool water or sterile saline for at least 15 minutes. Hold the eyelids open to ensure thorough rinsing. Remove contact lenses if present and easily removable. Seek immediate medical attention. Do not attempt to neutralize the chemical in the eye.
Chemical Splash to Skin: Remove contaminated clothing immediately. Flush the affected skin area with cool running water for at least 15 minutes. Do not rub or scrub. Seek medical evaluation for chemical burns or if irritation persists. Refer to the Safety Data Sheet (SDS) for the specific chemical involved.
Inhalation of Fumes: If fumes from heated chemicals are inhaled, move the affected person to fresh air immediately. Keep the person warm and at rest. If breathing is difficult, administer oxygen if trained. If breathing stops, perform CPR. Seek immediate medical attention.
Electrical Shock: If an electrical shock incident occurs, disconnect power at the circuit breaker before attempting to assist the victim. Do not touch the victim until the power is disconnected. Once safe, assess the victim for responsiveness and breathing. Call emergency medical services immediately. Perform CPR if trained and necessary. Seek medical evaluation for all electrical shock victims, even if symptoms appear mild.

3. FIRE FIGHTING MEASURES

Flammability: The metal housing is non‑flammable, but the power cord, internal wiring, and electronic components are combustible. The glass ceramic work plate is non‑flammable. The primary fire hazard is the flammable chemicals, solvents, or materials being heated on the work plate.
Extinguishing Media: Use carbon dioxide (CO₂), dry chemical (ABC class), or alcohol‑resistant foam extinguishers for fires involving the electrical components or nearby flammable materials. Do not use water on electrical fires, as water conducts electricity and can cause electrical shock or damage the instrument.
Fire Response: Immediately disconnect power to the instrument at the circuit breaker if safe to do so. Evacuate the immediate area. Use an appropriate fire extinguisher for small, contained fires. For larger fires, evacuate the laboratory and call emergency services. Do not attempt to extinguish a fire if not trained or if the fire is spreading rapidly.
Special Protective Equipment for Firefighters: Firefighters should wear self‑contained breathing apparatus (SCBA) and full structural firefighting gear (including gloves, boots, helmet, and turnout coat) when fighting fires in laboratory settings, as combustion products may include toxic fumes from burning plastics, chemicals, and electrical components.

LED Digital Heating Magnetic Stirrer (MS7‑H550‑S)

The instrument is TÜV‑certified (CE, cTUVus, FCC) and manufactured under ISO 9001 and ISO 13485 quality management systems.

LED Digital Heating Magnetic Stirrer (MS7-H550-S)

PRIMARY CLINICAL & DIAGNOSTIC USES

SECONDARY & SUPPORTIVE USES

3. Glassware drying and sterilization: Capable of reaching 550 °C, this hotplate can serve as a convenient benchtop tool for drying and sterilizing small glassware such as beakers, watch glasses, and slides, eliminating the need to run a full autoclave cycle for small, heat‑resistant items.

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A high‑temperature, LED digital heating magnetic stirrer with a 7‑inch glass ceramic work plate and analog control knobs.

Designation: MS7‑H550‑S LED Digital Heating Magnetic Stirrer, 7‑inch Square Hotplate Magnetic Stirrer, DLAB MS7‑H550‑S, Scilogex MS7‑H550‑S.

Key Components:

7‑inch (184 × 184 mm) glass ceramic work plate for high‑temperature resistance and easy cleaning

High‑torque shaded‑pole motor (15 W input, 1.5 W output)

Bright LED display for monitoring set temperature and actual plate temperature

Two independent control knobs for stepless speed and temperature adjustment

PT1000 external temperature sensor port for precise sample temperature control (sensor optional, ±0.2 °C accuracy)

Two independent temperature probes (microprocessor controller) providing additional safety control circuitry

Independent residual heat warning: “HOT” indicator flashes when plate >50 °C, continuing even when powered off

Over‑temperature protection: 580 °C hardware cutoff

IP21‑rated housing (protection against solid objects >12.5 mm and vertically falling water drops)

2. TECHNICAL & PERFORMANCE PROPERTIES

Work plate dimensions: 184 × 184 mm (7 inches square)

Work plate material: Glass ceramic (strong acid‑resistant, strong alkali‑resistant, high temperature‑resistant, excellent thermal conductivity)

Maximum stirring capacity (H₂O): 10 liters

Motor type: Shaded‑pole motor (15 W input, 1.5 W output)

Speed range: 0 to 1500 rpm (stepless analog control)

Speed display: Graduated scale (analog indicator)

Temperature display: LED digital display (set temperature and actual plate temperature)

Heating temperature range: Room temperature to 550 °C (adjustable in 5 °C increments)

Temperature control accuracy (plate surface): ±10 °C

Temperature display accuracy: ±1 °C

External temperature sensor (PT1000) accuracy: ±0.2 °C for sample temperature control

Temperature setting increments: 5 °C (step)

Heating output power: 1000 W

Total power consumption: 1030 W

Over‑temperature protection: 580 °C hardware cutoff (dual independent safety circuits)

Residual heat warning: Activates above 50 °C; LED indication continues even when unit is powered off until plate cools

Maximum stir bar length: Up to 80 mm

Protection class: IP21

Power requirements: 100–120 V / 200–240 V, 50/60 Hz (universal input)

Dimensions (W × D × H): 215 × 360 × 112 mm

Weight: 4.5 kg

Operating conditions: 5–40 °C, ≤80 % relative humidity

Certifications: CE, cTUVus, FCC (TÜV‑certified safety)

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: High‑impact, corrosion‑resistant aluminum alloy housing with a powder‑coated finish for maximum durability and chemical resistance. The aluminum alloy housing provides excellent heat dissipation and is resistant to chemical corrosion.

Display: Bright LED digital display clearly shows both the set temperature and the actual plate temperature simultaneously for real‑time monitoring and accurate temperature verification without toggling modes.

Heating technology: Embedded resistive heating elements provide rapid, uniform heating across the entire glass ceramic plate, achieving 550 °C with a powerful 1000 W heating output. The PID‑like control (microprocessor controller) ensures stable temperature maintenance during extended operation.

Portability: Compact benchtop design weighing 4.5 kg, easily movable between workstations.

Maintenance: The shaded‑pole motor is durable and requires no routine maintenance. The glass ceramic work plate is easy to clean with a mild detergent and a non‑abrasive cloth.

Warranty: 2‑year warranty.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: General‑purpose laboratory equipment for in vitro diagnostic (IVD) use. Manufactured under ISO 9001 and ISO 13485 quality management systems. TÜV‑certified to international safety standards (CE, cTUVus, FCC).

Over‑Temperature Protection (Hardware Cutoff): Dual independent safety circuits with a 580 °C hardware cutoff. If the work plate exceeds the safety threshold, the system automatically stops heating to prevent runaway heating, fire hazards, and damage to the instrument or samples.

Independent Heating Control Indicator: The heating function is separately controlled; when heating is on, an indicator light stays bright to prevent misoperation. In case of an unexpected stop of heating, stirring continues to prevent sample overheating.

Fire Safety: Metal housing and glass ceramic work plate are non‑flammable; the heating elements are enclosed.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in a clean, dry, dust‑free environment at room temperature (15–30 °C) when not in use. Allow the unit to cool completely until the residual heat warning indicator turns off (plate <50 °C) before storage.

Timer: The instrument does not include an integrated timer. For timed applications, use an external laboratory timer or rely on the optional PT1000 external temperature sensor and PC software for automated workflows.

Periodic verification: Verify the temperature accuracy periodically using a calibrated external thermometer or thermocouple (without the PT1000 sensor). If deviation exceeds the specified ±10 °C plate surface specification, consult the manufacturer's service guidelines for recalibration.

6. LABORATORY & CLINICAL APPLICATIONS

1. SAFETY PRECAUTIONS

Pathogenic Materials: Pathogenic materials must be processed only in closed, appropriate vessels to prevent the release of biohazardous aerosols or infectious contaminants. Use an appropriate biological safety cabinet (BSC) or fume hood when heating potentially infectious biological samples.

Operating Limitations: Do not use the instrument to heat sealed vessels or containers without proper pressure relief, as pressure buildup may cause explosive rupture.

2. FIRST AID MEASURES

Inhalation of Fumes: If fumes from heated chemicals are inhaled, move the affected person to fresh air immediately. Keep the person warm and at rest. If breathing is difficult, administer oxygen if trained. If breathing stops, perform CPR. Seek immediate medical attention.

3. FIRE FIGHTING MEASURES

Flammability: The metal housing is non‑flammable, but the power cord, internal wiring, and electronic components are combustible. The glass ceramic work plate is non‑flammable. The primary fire hazard is the flammable chemicals, solvents, or materials being heated on the work plate.

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The instrument is TÜV‑certified (CE, cTUVus, FCC) and manufactured under ISO 9001 and ISO 13485 quality management systems.

3. Glassware drying and sterilization: Capable of reaching 550 °C, this hotplate can serve as a convenient benchtop tool for drying and sterilizing small glassware such as beakers, watch glasses, and slides, eliminating the need to run a full autoclave cycle for small, heat‑resistant items.

7‑inch (184 × 184 mm) glass ceramic work plate for high‑temperature resistance and easy cleaning

High‑torque shaded‑pole motor (15 W input, 1.5 W output)

PT1000 external temperature sensor port for precise sample temperature control (sensor optional, ±0.2 °C accuracy)

Independent residual heat warning: “HOT” indicator flashes when plate >50 °C, continuing even when powered off

Over‑temperature protection: 580 °C hardware cutoff

IP21‑rated housing (protection against solid objects >12.5 mm and vertically falling water drops)

Work plate dimensions: 184 × 184 mm (7 inches square)

Maximum stirring capacity (H₂O): 10 liters

Motor type: Shaded‑pole motor (15 W input, 1.5 W output)

Speed range: 0 to 1500 rpm (stepless analog control)

Heating temperature range: Room temperature to 550 °C (adjustable in 5 °C increments)

Temperature control accuracy (plate surface): ±10 °C

Temperature display accuracy: ±1 °C

External temperature sensor (PT1000) accuracy: ±0.2 °C for sample temperature control

Temperature setting increments: 5 °C (step)

Heating output power: 1000 W

Total power consumption: 1030 W

Over‑temperature protection: 580 °C hardware cutoff (dual independent safety circuits)

Residual heat warning: Activates above 50 °C; LED indication continues even when unit is powered off until plate cools

Maximum stir bar length: Up to 80 mm

Power requirements: 100–120 V / 200–240 V, 50/60 Hz (universal input)

Dimensions (W × D × H): 215 × 360 × 112 mm

Weight: 4.5 kg

Operating conditions: 5–40 °C, ≤80 % relative humidity

Portability: Compact benchtop design weighing 4.5 kg, easily movable between workstations.

Regulatory Status: General‑purpose laboratory equipment for in vitro diagnostic (IVD) use. Manufactured under ISO 9001 and ISO 13485 quality management systems. TÜV‑certified to international safety standards (CE, cTUVus, FCC).

Over‑Temperature Protection (Hardware Cutoff): Dual independent safety circuits with a 580 °C hardware cutoff. If the work plate exceeds the safety threshold, the system automatically stops heating to prevent runaway heating, fire hazards, and damage to the instrument or samples.

Storage: Store in a clean, dry, dust‑free environment at room temperature (15–30 °C) when not in use. Allow the unit to cool completely until the residual heat warning indicator turns off (plate <50 °C) before storage.

Periodic verification: Verify the temperature accuracy periodically using a calibrated external thermometer or thermocouple (without the PT1000 sensor). If deviation exceeds the specified ±10 °C plate surface specification, consult the manufacturer's service guidelines for recalibration.